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14. Functions of dip switch and jumper wire
Each function is controlled by the DIP switch and the jumper wire on control PC board. SW1 and
SW2 are equipped only for service parts.
Model setting and capacity setting are memorized in the nonvolatile memory of the control PC
board of the unit.
Jumper wire
Functions
SW1
Model
For service board
settings
SW2
Capacity
PAA-A18AA1
settings
PAA-A18BA1
PAA-A24AA1
PAA-A24BA1
PAA-A30AA1
PAA-A30BA1
PAA-A36BA1
PAA-A36CA1
PAA-A42BA1
PAA-A42CA1
JP1
Unit type
setting
With TH5
JP3
Indoor
Indoor controller board type
controller
Factory shipment
board type
Service parts
setting
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1 and all-
Setting by the dip switch and jumper wire
ON OFF ON OFF OFF
1
1
1
2 3 4
2 3 4
2 3 4
ON OFF
ON OFF
ON ON
ON ON
ON OFF
ON OFF
ON
ON ON
OFF OFF
Model
JP1
X
55
5
5
5
OFF
ON OFF
ON
OFF
1
1
1
2 3 4
2 3 4
2 3 4
5
5
5
OFF
OFF
ON
ON
OFF
OFF
1
1
1
2 3 4
2 3 4
2 3 4
5
5
5
ON
ON
ON
ON
OFF
OFF
1
1
1
2 3 4
2 3 4
2 3 4
5
5
5
ON
ON
ON
ON
OFF
OFF
1
1
1
2 3 4
2 3 4
2 3 4
5
5
5
OFF
OFF
ON
1
1
1
2 3 4
2 3 4
2 3 4
5
5
5
There is no jumper (JP1) because these models have the
cond./eva. temperature thermistor (TH5).
X - No jumper
There is a jumper on JP3.
JP3
O - Jumper
⃝
⃝
Remarks
© 2022 Mitsubishi Electric US, Inc.
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